NeuLAND - FAIR

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5.2. Structure of the NeuLAND Submodule . . . . . . . . . . . . . . . . . . . . 65 5.2.1. Material, Sizes and Wrapping . . . . . . . . . . . . . . . . . . . . 65 5.2.2. Light Guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 5.2.3. Light Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 5.3. Full Detector Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 5.3.1. Grouping of Submodules — Double Planes . . . . . . . . . . . . . 67 5.3.2. Full Detector Setup . . . . . . . . . . . . . . . . . . . . . . . . . . 70 5.4. Peripheral Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 5.4.1. Read-Out Electronics - TacQuila . . . . . . . . . . . . . . . . . . . 73 5.4.2. High-Voltage Distribution System . . . . . . . . . . . . . . . . . . 74 5.4.3. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 6. Radiation Environment and Safety Issues 77 7. Production, Quality Assurance and Acceptance Tests 79 8. Calibration 81 8.1. Calibration with Fast Neutrons . . . . . . . . . . . . . . . . . . . . . . . . 81 8.1.1. Calibration of a Subset of NeuLAND Modules . . . . . . . . . . . 81 8.1.2. Characterization of Neutron Interactions with the Full-Size Detector 84 8.2. Cosmic Ray Tracking in NeuLAND for Adjustment and Calibration . . . 84 9. Infrastructure 87 10.Installation procedure, its Time Sequence, Necessary Logistics from A to Z including Transportation 89 11.Cost and Funding 91 11.1. Cost Estimate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 11.2. Funding Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 12.Time Schedule Table and Milestones 93 13.Organization and Distribution of Responsibilities 95 A. NeuLAND Working Group Members 97 B. Neutron MRPC Results in Details 99 B.1. Principle of Operation of an MRPC-Based Neutron Detector with a Thick Iron Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 B.2. 40 MeV Single Electron Test Facility at ELBE . . . . . . . . . . . . . . . . 101 B.3. Design Issues Addressed with 40 cm × 20 cm Prototypes . . . . . . . . . . 104 B.4. Construction and Test of a Full-Size 200 cm × 50 cm Prototype . . . . . . 105 B.5. Monte Carlo Simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 B.6. Further MRPC Prototype and Offline Tests . . . . . . . . . . . . . . . . . 110 8
B.7. MRPC Solution using Glass as Converter . . . . . . . . . . . . . . . . . . 112 B.8. Summary and Outlook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Bibliography 115 9
Page 1 and 2: FAIR/NUSTAR/R 3 B/TDR NeuLAND Techn
Page 3 and 4: Germany EMMI and FIAS: Enrico Fiori
Page 5 and 6: INR Moscow: Alexander Botvina Russi
Page 7: Contents Executive Summary 11 1. In
Page 12 and 13: Apart from the excellent energy res
Page 14 and 15: processes in the universe, such as
Page 16 and 17: decaying into 24 O plus 4 neutrons
Page 19 and 20: 2. Physics Scenarios: Requirements
Page 21 and 22: e studied at R 3 B at FAIR include
Page 23 and 24: all theoretical calculations predic
Page 25 and 26: at the surface of the nucleus. The
Page 27 and 28: the evolution of fission channels (
Page 29 and 30: 3. Summary of NeuLAND Prototype Res
Page 31 and 32: counts 70 60 50 40 30 20 10 0 15 15
Page 33 and 34: Figure 3.4.: Shown is the time reso
Page 35 and 36: 4. Monte Carlo Simulations Within t
Page 37 and 38: normalized counts normalized counts
Page 39 and 40: GEANT3 interface. Here, we compare
Page 41 and 42: Counts 1000 900 800 700 600 500 400
Page 43 and 44: counts 5 10 4 10 3 10 2 10 10 LAND
Page 45 and 46: incident neutron fully active detec
Page 47 and 48: investigated. Three values for the
Page 49 and 50: spectrum, absorption length, refrac
Page 51 and 52: Counts 600 500 400 300 200 100 with
Page 53 and 54: Since, as discussed above, several
Page 55 and 56: events 800 600 400 200 0 0 200 400
Page 57 and 58: clusters N 100 50 0 0 500 1000 1500
Page 59 and 60:
In the following section we discuss
Page 61 and 62:
events 15000 10000 5000 input outpu
Page 63 and 64:
events 2000 1500 1000 500 σ = 15 k
Page 65 and 66:
5. Technical Specifications and Des
Page 67 and 68:
construction, or for subsequent rep
Page 69 and 70:
positioning of 50 submodules mounti
Page 71 and 72:
Figure 5.6.: Detector frame with fi
Page 73 and 74:
5.4. Peripheral Systems 5.4.1. Read
Page 75 and 76:
Figure 5.12.: The photo shows the T
Page 77:
6. Radiation Environment and Safety
Page 81 and 82:
8. Calibration 8.1. Calibration wit
Page 83 and 84:
Figure 8.3.: ToF distribution in 10
Page 85:
Figure 8.4.: Event display for seve
Page 89 and 90:
10. Installation procedure, its Tim
Page 91:
11. Cost and Funding 11.1. Cost Est
Page 94 and 95:
The timeline for milestone 1 includ
Page 96 and 97:
96 2. Sample Tests Random samples o
Page 98 and 99:
PNPI St. Petersburg: G.D. Alkhazov,
Page 100 and 101:
HV 1.$ mm 2$ mm 0+$1-2)-2'.%/ 5%4'.
Page 102 and 103:
Beamline Be exit window P 6 P 3 P 4
Page 104 and 105:
B.3. Design Issues Addressed with 4
Page 106 and 107:
Time [ns] Counts 41 40 39 2200 2000
Page 108 and 109:
Efficiency 100 80 60 40 20 0 7.5 8
Page 110 and 111:
200 AMeV, Erel = 100 keV emitted %
Page 112 and 113:
B.7. MRPC Solution using Glass as C
Page 114 and 115:
114
Page 116 and 117:
[Bot-04] S. Botvina andI.N. Mishust
Page 118 and 119:
[Lip-03] C. Lippmann, PhD Thesis, U
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NeuLAND - FAIR

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